Teachers, save “Missing addends to 20” to assign it to your class.

1. Click the button. 2. Solve the number sentence by filling in the missing addend. 3. Remember you can count on, count back or subtract, or draw a picture to help you. 3. Record what strategy you used to help you solve the math equations. 4. Complete all three pages of the missing addend problems. 6. Click the to turn your work in.